Composition ofDibromo-Meso-Erythritol- C4H6(OH)2Br2 ElementSymbolAtomic Mass# of AtomsMass Percent CarbonC48.0428 g/mol419.3789% HydrogenH8.0635 g/mol83.2526% OxygenO31.9988 g/mol212.9073% BromineBr159.808 g/mol264.4613% Dibromo-Meso-Erythritol Element Mass PercentBromine159.808gBromine159.808gCarbon48.04...
poly(phenylene methylene); tungsten(II) catalysts; high molar mass; fractionation; chain-growth polymerization; homoconjugation Graphical Abstract1. Introduction Poly(phenylene methylene) (PPM) consists of phenylene rings bridged by a methylene unit (Figure 1a). PPM is completely amorphous [1,2,3,4...
C4H8Br2O2的摩尔质量和分子量为{1,数字}。 由Dibromo-Meso-Erythritol - C4H8Br2O2组成 元素标志原子质量原子#质量百分比 碳 C 48.0428 g/mol 4 19.3789% 氫 H 8.0635 g/mol 8 3.2526% 溴 Br 159.808 g/mol 2 64.4613% 氧 O 31.9988 g/mol 2 12.9073% Dibromo-Meso-Erythritol 元素 质量百分比溴159.808g...
C4H6(OH)2Br2的摩尔质量和分子量为{1,数字}。 由Dibromo-Meso-Erythritol - C4H6(OH)2Br2组成 元素标志原子质量原子#质量百分比 碳 C 48.0428 g/mol 4 19.3789% 氫 H 8.0635 g/mol 8 3.2526% 氧 O 31.9988 g/mol 2 12.9073% 溴 Br 159.808 g/mol 2 64.4613% Dibromo-Meso-Erythritol 元素 质量百分比...